doxycycline

Drug ingredient

CAS 7164-70-7

This chemical is an active pharmaceutical ingredient used in FDA-regulated drugs.

US productionNot reported

Top sourceNo public record

This chemical is not on EPA’s Toxic Substances Control Act inventory, the list behind EPA’s production survey.

Why supply is unknown

Where It Comes From

EPA and Census publish no US supply data for this chemical.

41 FDA-registered drug labelers

A-S Medication Solutions

Advanced Rx Pharmacy of Tennessee, LLC

AiPing Pharmaceutical, Inc.

Alembic Pharmaceuticals Inc.

Alembic Pharmaceuticals Limited

American Health Packaging

Apotex Corp.

AvKARE

AvPAK

Bryant Ranch Prepack

Catalent Micron Technologies, Inc.

Catalent Pharma Solutions, LLC

Changzhou Pharmaceutical Factory

Chartwell Governmental & Specialty RX, LLC

Chartwell RX LLC

DIRECT RX

Dr.Reddys Laboratories Inc

Galderma Laboratories, L.P.

Golden State Medical Supply, Inc.

Heritage Pharmaceuticals Inc. d/b/a Avet Pharmaceuticals Inc.

HOVIONE FARMACIENCIA SA

Hovione PharmaScience Limited

Lannett Company, Inc.

Lupin Pharmaceuticals, Inc.

Macleods Pharmaceuticals Limited

Maithri Drugs Private Limited

Mayne Pharma Inc.

Nantong Chanyoo Pharmatech Co., Ltd

Northwind Health Company, LLC

NuCare Pharmaceuticals,Inc.

PD-Rx Pharmaceuticals, Inc.

Proficient Rx LP

Quality Care Products, LLC

REMEDYREPACK INC.

Solco Healthcare US,LLC

Strides Pharma Science Limited

Sun Pharmaceutical Industries Inc.

Yangzhou Liberty Pharmaceutical Co., Ltd.

Zoetis Inc.

Zydus Lifesciences Limited

Zydus Pharmaceuticals USA Inc.

Why It Matters

Sectors

Health

Downstream Uses

Appears in 3 drug and cosmetic product listings (FDA).

•doxycycline
•Doxycycline Monohydrate
•Oracea

FDA Shortage Status

Whether any manufacturer currently reports this drug as in shortage on the FDA Drug Shortages database. "Active Shortage" means at least one presentation has status "current."

No Shortage

Shortage History

Rows group FDA shortage filings by drug product. Each manufacturer makes its own FDA shortage filing, so one product can carry several reports at once: Available, Limited Availability, Unavailable or to be discontinued.

to be discontinued
Doxycycline Hyclate Tablet
Shortage listed since May 2, 2025

See all current drug shortages

Chemical Identity

CAS7164-70-7

PubChem CID54671203

DTXSIDDTXSID80992212

FormulaC22H24N2O8

Mol. Weight444.4 g/mol

SMILESCC1C2C(C3C(C(=O)C(=C(C3(C(=O)C2=C(C4=C1C=CC=C4O)O)O)O)C(=O)N)N(C)C)O

Data Sources

PubChem · compound 54671203Retrieved 2026-04-07
FDA National Drug Code directoryRetrieved 2026-04-25
FDA Drug ShortagesRetrieved 2026-10-04

← Back to Dashboard ← Back to Health

Brief citations

doxycycline (CAS 7164-70-7) https://chemicalindependence.com/chemical/7164-70-7/ PubChem: 54671203. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/54671203 FDA National Drug Code directory: CAS 7164-70-7. Retrieved 2026-04-25. https://open.fda.gov/data/ndc/ FDA Drug Shortages: CAS 7164-70-7. Retrieved 2026-10-04. https://www.accessdata.fda.gov/scripts/drugshortages/